ALLJOYN-1973: Remove Android NDK conditionals from SConscript files.

Change-Id: I185b0f4adfdc2a0937dfdc65aa5b4a0f0f62f77e
ALLJOYN-2435 Add a Method org.alljoyn.Bus.GetHostIp.
This takes the sessionID as the argument and returns a disposition that indicates success/error codes
and the IP address of the remote host of the session.

Change-Id: I1cf52dcdd0433ef5b49a2abe7eccaa8108962720
ALLJOYN-2470 Fix deadlock by releasing objectLock prior to OnBusConnected call.
Also, call OnBusConnected() only if this is not a placeholder object.

Change-Id: I967167dbfb30385d14a8a38229a04ebc30144228